Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329560 | Flash welding method | — | 1982-05-11 |
| 4308446 | Method and apparatus for removing burrs from products fabricated from metal stock | Isao Okane, Sadao Fukushima | 1981-12-29 |